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1. সমাধান করুনঃ x2 - 2x - 15 > 0 .

  • A. s = (x : x > 5 অথবা x < -3)
  • B. s = (x : x > 5 অথবা x < -3)
  • C. s = (x : x > 5 অথবা x < -3)
  • D. s = (x : x > 5 অথবা x < -3)

Answer: Option A

Explanation:

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